diff options
Diffstat (limited to 'UnitTestFrameworkPkg/Library/UnitTestPeiServicesTablePointerLib/UnitTestPeiServicesTablePointerLibHob.c')
| -rw-r--r-- | UnitTestFrameworkPkg/Library/UnitTestPeiServicesTablePointerLib/UnitTestPeiServicesTablePointerLibHob.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/UnitTestFrameworkPkg/Library/UnitTestPeiServicesTablePointerLib/UnitTestPeiServicesTablePointerLibHob.c b/UnitTestFrameworkPkg/Library/UnitTestPeiServicesTablePointerLib/UnitTestPeiServicesTablePointerLibHob.c new file mode 100644 index 0000000000..1a5a1bef1f --- /dev/null +++ b/UnitTestFrameworkPkg/Library/UnitTestPeiServicesTablePointerLib/UnitTestPeiServicesTablePointerLibHob.c @@ -0,0 +1,155 @@ +/** @file
+ This file implements some PEI services about Hob.
+
+ Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "UnitTestPeiServicesTablePointerLib.h"
+
+/**
+
+ Gets the pointer to the HOB List.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param HobList Pointer to the HOB List.
+
+ @retval EFI_SUCCESS Get the pointer of HOB List
+ @retval EFI_NOT_AVAILABLE_YET the HOB List is not yet published
+ @retval EFI_INVALID_PARAMETER HobList is NULL (in debug mode)
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestGetHobList (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN OUT VOID **HobList
+ )
+{
+ PEI_CORE_INSTANCE *PrivateData;
+
+ if (HobList == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
+
+ *HobList = PrivateData->HobList.Raw;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Add a new HOB to the HOB List.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param Type Type of the new HOB.
+ @param Length Length of the new HOB to allocate.
+ @param Hob Pointer to the new HOB.
+
+ @return EFI_SUCCESS Success to create HOB.
+ @retval EFI_INVALID_PARAMETER if Hob is NULL
+ @retval EFI_NOT_AVAILABLE_YET if HobList is still not available.
+ @retval EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestCreateHob (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN UINT16 Type,
+ IN UINT16 Length,
+ IN OUT VOID **Hob
+ )
+{
+ EFI_STATUS Status;
+ EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
+ EFI_HOB_GENERIC_HEADER *HobEnd;
+ EFI_PHYSICAL_ADDRESS FreeMemory;
+
+ Status = UnitTestGetHobList (PeiServices, Hob);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ HandOffHob = *Hob;
+
+ //
+ // Check Length to avoid data overflow.
+ //
+ if (0x10000 - Length <= 0x7) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Length = (UINT16)((Length + 0x7) & (~0x7));
+
+ FreeMemory = HandOffHob->EfiFreeMemoryTop -
+ HandOffHob->EfiFreeMemoryBottom;
+
+ if (FreeMemory < Length) {
+ DEBUG ((DEBUG_ERROR, "PeiCreateHob fail: Length - 0x%08x\n", (UINTN)Length));
+ DEBUG ((DEBUG_ERROR, " FreeMemoryTop - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryTop));
+ DEBUG ((DEBUG_ERROR, " FreeMemoryBottom - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryBottom));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *Hob = (VOID *)(UINTN)HandOffHob->EfiEndOfHobList;
+ ((EFI_HOB_GENERIC_HEADER *)*Hob)->HobType = Type;
+ ((EFI_HOB_GENERIC_HEADER *)*Hob)->HobLength = Length;
+ ((EFI_HOB_GENERIC_HEADER *)*Hob)->Reserved = 0;
+
+ HobEnd = (EFI_HOB_GENERIC_HEADER *)((UINTN)*Hob + Length);
+ HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;
+
+ HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
+ HobEnd->HobLength = (UINT16)sizeof (EFI_HOB_GENERIC_HEADER);
+ HobEnd->Reserved = 0;
+ HobEnd++;
+ HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;
+
+ return EFI_SUCCESS;
+}
+
+/**
+
+ Builds a Handoff Information Table HOB
+
+ @param BootMode - Current Bootmode
+ @param MemoryBegin - Start Memory Address.
+ @param MemoryLength - Length of Memory.
+
+ @return EFI_SUCCESS Always success to initialize HOB.
+
+**/
+EFI_STATUS
+UnitTestCoreBuildHobHandoffInfoTable (
+ IN EFI_BOOT_MODE BootMode,
+ IN EFI_PHYSICAL_ADDRESS MemoryBegin,
+ IN UINT64 MemoryLength
+ )
+{
+ EFI_HOB_HANDOFF_INFO_TABLE *Hob;
+ EFI_HOB_GENERIC_HEADER *HobEnd;
+
+ Hob = (VOID *)(UINTN)MemoryBegin;
+ HobEnd = (EFI_HOB_GENERIC_HEADER *)(Hob+1);
+ Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;
+ Hob->Header.HobLength = (UINT16)sizeof (EFI_HOB_HANDOFF_INFO_TABLE);
+ Hob->Header.Reserved = 0;
+
+ HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
+ HobEnd->HobLength = (UINT16)sizeof (EFI_HOB_GENERIC_HEADER);
+ HobEnd->Reserved = 0;
+
+ Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;
+ Hob->BootMode = BootMode;
+
+ Hob->EfiMemoryTop = MemoryBegin + MemoryLength;
+ Hob->EfiMemoryBottom = MemoryBegin;
+ Hob->EfiFreeMemoryTop = MemoryBegin + MemoryLength;
+ Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)(HobEnd + 1);
+ Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;
+
+ return EFI_SUCCESS;
+}
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